Synonyms|417Antonyms|119|Broader|6Narrower|0Related|509
1
in opposition
1
in poor condition(adjective, arouse bad feelings)
1
inadvisable(adjective, bad)
1
ineffective(adjective, useless)
1
inexpedient(adjective, damaging, disparaging, hurtful, futile)
1
inferior(adjective, bad)
1
iniquitous(bad, distressing, harmful, damaging, deadly)
1
inopportune(hostile, unfriendly, antagonistic, contrary, damaging)
1
insalutary(adjective, harmful, poisonous, toxic)
1
internecine(adjective, bad, painful, harmful, injurious)
1
invalid(adjective, bad)
1
invalidating(bad, weak, gloomy, disparaging, hurtful)
1
irremediable(adjective, bad)
1
jaundiced(bad, weak, gloomy)
1
lethiferous(adjective, harmful, injurious, damaging, deadly)
1
life-threatening(adjective, dangerous)
1
maleficent
1
monstrous(adjective, evil)
1
morbid(offensive, foul, unhealthy, harmful, injurious)
1
naysaying(bad, weak, gloomy)
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ChicagoSmart Define. 2016. "detrimental thesaurus" https://smartdefine.org/detrimental/thesaurus/synonyms (accessed October 2, 2026).
HarvardSmart Define 2016, detrimental thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/detrimental/thesaurus/synonyms>.
MLASmart Define. "detrimental thesaurus" 24 March 2016. Web. 2 October 2026. <https://smartdefine.org/detrimental/thesaurus/synonyms>